#include <iostream>

class Rect {
public:
    int Area() {
        return width * length;
    }

    int width;
    int length;
};

int main(int argc, char** argv) {
    Rect r;
    r.width = 10;
    r.length = 25;
    int area = r.Area();
    std::cout << "Area: " << area << std::endl;
    return 0;
}